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class="breadcrumbs__item">Layers<meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active">GeohashLayer<meta itemprop="position" content="3"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>GeohashLayer</h1><div class="demo-base__DemoPlaceholder-sc-bhdrci-0 djecNU"><div class="demo-base__DemoContainer-sc-bhdrci-1 jGCMrh"><div id="deckgl-wrapper" style="position:absolute;z-index:0;left:0;top:0;width:100%;height:100%"><canvas id="deckgl-overlay" style="left:0;top:0"></canvas></div></div><div class="demo-base__DemoSourceLink-sc-bhdrci-2 ciZnDn"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M0 0h24v24H0V0z" fill="none"></path><path fill="currentcolor" d="M9.4 16.6L4.8 12l4.6-4.6L8 6l-6 6 6 6 1.4-1.4zm5.2 0l4.6-4.6-4.6-4.6L16 6l6 6-6 6-1.4-1.4z"></path></svg>Edit on Codepen</div></div>The <code>GeohashLayer</code> renders filled and/or stroked polygons based on the <a href="https://en.wikipedia.org/wiki/Geohash" target="_blank" rel="noopener noreferrer">Geohash</a> geospatial indexing system.<code>GeohashLayer</code> is a <a href="/docs/api-reference/core/composite-layer">CompositeLayer</a>.<div class="tabs-container tabList__CuJ"><ul role="tablist" aria-orientation="horizontal" class="tabs"><li role="tab" tabindex="0" aria-selected="true" class="tabs__item tabItem_LNqP tabs__item--active">JavaScript</li><li role="tab" tabindex="-1" aria-selected="false" class="tabs__item tabItem_LNqP">TypeScript</li><li role="tab" tabindex="-1" aria-selected="false" class="tabs__item tabItem_LNqP">React</li></ul><div class="margin-top--md"><div role="tabpanel" class="tabItem_Ymn6"><div class="language-js codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#403f53;--prism-background-color:#FBFBFB"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-js codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv">import {Deck} from '@deck.gl/core'; import {GeohashLayer} from '@deck.gl/geo-layers'; const layer = new GeohashLayer({ id: 'GeohashLayer', data: 'https://raw.githubusercontent.com/visgl/deck.gl-data/master/website/sf.geohashes.json', extruded: true, getGeohash: d => d.geohash, getElevation: d => d.value, getFillColor: d => [d.value * 255, (1 - d.value) * 128, (1 - d.value) * 255], elevationScale: 1000, pickable: true }); new Deck({ initialViewState: { longitude: -122.4, latitude: 37.74, zoom: 11 }, controller: true, getTooltip: ({object}) => object && `${object.geohash} value: ${object.value}`, layers: [layer] }); </code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></button></div></div></div></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><div class="language-ts codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#403f53;--prism-background-color:#FBFBFB"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-ts codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv">import {Deck, PickingInfo} from '@deck.gl/core'; import {GeohashLayer} from '@deck.gl/geo-layers'; type DataType = { geohash: string; value: number; }; const layer = new GeohashLayer<DataType>({ id: 'GeohashLayer', data: 'https://raw.githubusercontent.com/visgl/deck.gl-data/master/website/sf.geohashes.json', extruded: true, getGeohash: (d: DataType) => d.geohash, getElevation: (d: DataType) => d.value, getFillColor: (d: DataType) => [d.value * 255, (1 - d.value) * 128, (1 - d.value) * 255], elevationScale: 1000, pickable: true }); new Deck({ initialViewState: { longitude: -122.4, latitude: 37.74, zoom: 11 }, controller: true, getTooltip: ({object}: PickingInfo<DataType>) => object && `${object.geohash} value: ${object.value}`, layers: [layer] }); </code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></button></div></div></div></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><div class="language-tsx codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#403f53;--prism-background-color:#FBFBFB"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-tsx codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv">import React from 'react'; import DeckGL from '@deck.gl/react'; import {GeohashLayer} from '@deck.gl/geo-layers'; import type {PickingInfo} from '@deck.gl/core'; type DataType = { geohash: string; value: number; }; function App() { const layer = new GeohashLayer<DataType>({ id: 'GeohashLayer', data: 'https://raw.githubusercontent.com/visgl/deck.gl-data/master/website/sf.geohashes.json', extruded: true, getGeohash: (d: DataType) => d.geohash, getElevation: (d: DataType) => d.value, getFillColor: (d: DataType) => [d.value * 255, (1 - d.value) * 128, (1 - d.value) * 255], elevationScale: 1000, pickable: true }); return <DeckGL initialViewState={{ longitude: -122.4, latitude: 37.74, zoom: 11 }} controller getTooltip={({object}: PickingInfo<DataType>) => object && `${object.geohash} value: ${object.value}`} layers={[layer]} />; } </code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></button></div></div></div></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="installation">Installation<a href="#installation" class="hash-link" aria-label="Direct link to Installation" title="Direct link to Installation"></a></h2>To install the dependencies from NPM:<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#403f53;--prism-background-color:#FBFBFB"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv">npm install deck.gl # or npm install @deck.gl/core @deck.gl/layers @deck.gl/geo-layers </code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></button></div></div></div><div class="language-ts codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#403f53;--prism-background-color:#FBFBFB"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-ts codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv">import {GeohashLayer} from '@deck.gl/geo-layers'; import type {GeohashLayerProps} from '@deck.gl/geo-layers'; new GeohashLayer<DataT>(...props: GeohashLayerProps<DataT>[]); </code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></button></div></div></div>To use pre-bundled scripts:<div class="language-html codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#403f53;--prism-background-color:#FBFBFB"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-html codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><script src="https://unpkg.com/deck.gl@^9.0.0/dist.min.js"></script>  <script src="https://unpkg.com/@deck.gl/core@^9.0.0/dist.min.js"></script> <script src="https://unpkg.com/@deck.gl/layers@^9.0.0/dist.min.js"></script> <script src="https://unpkg.com/@deck.gl/geo-layers@^9.0.0/dist.min.js"></script> </code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></button></div></div></div><div class="language-js codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#403f53;--prism-background-color:#FBFBFB"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-js codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv">new deck.GeohashLayer({}); </code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="properties">Properties<a href="#properties" class="hash-link" aria-label="Direct link to Properties" title="Direct link to Properties"></a></h2>Inherits from all <a href="/docs/api-reference/core/layer">Base Layer</a>, <a href="/docs/api-reference/core/composite-layer">CompositeLayer</a>, and <a href="/docs/api-reference/layers/polygon-layer">PolygonLayer</a> properties, plus the following:<h3 class="anchor anchorWithStickyNavbar_LWe7" id="data-accessors">Data Accessors<a href="#data-accessors" class="hash-link" aria-label="Direct link to Data Accessors" title="Direct link to Data Accessors"></a></h3><h4 class="anchor anchorWithStickyNavbar_LWe7" id="getgeohash"><code>getGeohash</code> (<a href="/docs/developer-guide/using-layers#accessors">Accessor<string></a>, optional)<a href="#getgeohash" class="hash-link" aria-label="Direct link to getgeohash" title="Direct link to getgeohash"></a></h4>Called for each data object to retrieve the geohash string identifier.<ul><li>default: <code>object => object.geohash</code></li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="sub-layers">Sub Layers<a href="#sub-layers" class="hash-link" aria-label="Direct link to Sub Layers" title="Direct link to Sub Layers"></a></h2>The <code>GeohashLayer</code> renders the following sublayers:<ul><li><code>cell</code> - a <a href="/docs/api-reference/layers/polygon-layer">PolygonLayer</a> rendering all geohash cells.</li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="source">Source<a href="#source" class="hash-link" aria-label="Direct link to Source" title="Direct link to Source"></a></h2><a href="https://github.com/visgl/deck.gl/tree/9.0-release/modules/geo-layers/src/geohash-layer" target="_blank" rel="noopener noreferrer">modules/geo-layers/src/geohash-layer</a></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/visgl/deck.gl/tree/master/website/../docs/api-reference/geo-layers/geohash-layer.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 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